Probability and Making Predictions

The manager of a movie theater randomly surveyed 50 people who entered the movie theater on Friday. They manager asked about the type of movie each person preferred. The results of the survey are shown in the table. Based on the results in the table, which statement about a person who will go to this theater next Friday is true?

• The person is three times as likely to prefer comedy as horror.

• The person is twice as likely to prefer drama as horror.

• The person is less likely to prefer horror or drama than action.

• The person is more likely to prefer horror or comedy than action.

The 200 students in a school band will attend an awards dinner. A random survey of 25 of these students was conducted to determine how many of each meal should be prepared for the dinner. The results of the survey are shown.

12 students want a beef meal.

8 students want a chicken meal.

5 students want a pasta meal.

Based on the survey results, which of these is the best prediction of the meals wanted by the 200 students?

• There are 16 students who want a beef meal.

• There are 52 students who want either a chicken meal or a pasta meal.

• There are 32 more students who want a beef meal than want a chicken meal.

• There are 24 more students who want a pasta meal than want a chicken meal.

Mari bought 6 packets of tomato seeds. Each packet contained 24 seeds. She planted 1 packet of the seeds, and 15 seeds sprouted. Which statement about the seeds in the remaining packets is best supported by this information?

• No more than 50 seeds will sprout.

• Between 50 and 100 seeds will sprout.

• At least 100 but no more than 120 seeds will sprout.

• All 120 seeds will sprout.

Leticia has two bouquets of flowers. Each bouquet contains 13 daisies. Bouquet S contains 30 flowers. Bouquet T contains 13 flowers. Which statement is true?

• The probability of randomly selecting a daisy from Bouquet S is less than the probability of randomly selecting a daisy from Bouquet T.

• The probability of randomly selecting a daisy from Bouquet S is 1.

• The probability of randomly selecting a daisy from Bouquet S is equal to the probability of randonly selecting from Bouquet T.

A store manager receives a delivery of 5 boxes of lightbulbs. Each box contains 25 lightbulbs. The store manager tests the first box and finds that 2 of them are defective. Based on these results, which one is true about the remaining boxes??

• All 100 lightbulbs are defective.

• Between 2 to 10 lightbulbs are defective.

• At least 20 lightbulbs are defective

• No more than 5 lightbulbs are defective.

Felix has a bucket of golf balls. The table shown the number of golf balls of each color in the bucket. Felix selects a golf ball at random. Based on the information in the table, which statement is true?

• The golf ball is more likely to be green than all other colors combined.

• The golf ball is equally likely to be pink, white, orange, or green.

• The golf ball is 2 times as likely to be orange as it is to be pink.

• The golf ball is 7 times as likely to be green as it is to be white.

Deborah surveyed customers in a restaurant to find out their favorite meal. The results of the survey are shown in the table. One person in the restaurant will be picked at random. Based on the given information, which statement is true?

• This person's favorite meal is twice as likely to be hamburger and french fries as it is to be spaghetti.

• This person's favorite meal is four times as likely to be chili as it is to be vegetarian delight.

• This person's favorite meal is more likely to be chili than hamburger and french fries.

• This person's favorite meal is equally likely to be either vegetarian delight or spaghetti.

Chase surveyed 30 7th grade students about what their favorite food is. The results are shown in the table. For the entire 7th grade class of 250 students, how many would you expect to like fried chicken best?

• 23 Students

• 35 Students

• 25 Students

• 50 Students